| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 551112 | 551112 | 551112 | Agreement corporation (except international trade financing) | |||
| 551112 | 551112 | 551112 | Financial holding companies | |||
| 551112 | 551112 | 551112 | Holding companies (except bank, managing) | |||
| 551112 | 551112 | 551112 | Insurance holding companies | |||
| 551112 | 551112 | 551112 | Nonbank holding companies (except managing) | |||
| 551112 | 551112 | 551112 | Personal holding companies | |||
| 551112 | 551112 | 551112 | Public utility holding companies | |||
| 551112 | 551112 | 551112 | Railroad holding companies | |||
| 551112 | 551112 | 551112 | Savings and loan holding companies | |||
| 551112 | 551112 | 551112 | Thrift holding companies |